Add missing dependency

1 files changed, 1 insertions, 0 deletions

diff --git a/shell.nix b/shell.nix
index 7f4aecc..28fbd46 100644
--- a/shell.nix
+++ b/shell.nix
@@ -61,6 +61,7 @@ mkDerivation {
     pkgs.liblapack
     pkgs.gsl
     pkgs.glpk
+    pkgs.pkgconfig
     sundials
     pkgs.zlib
   ] ++ (if pkgs.stdenv.isDarwin then [pkgs.darwin.apple_sdk.frameworks.Accelerate] else []);